Home / 915,048.14-1,372,755.66-316,031.26

Finding the Fourth Proportional to 915,048.14, 1,372,755.66 and 316,031.26

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Solution

The fourth proportional to 915,048.14, 1,372,755.66 and 316,031.26 is: 474,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,048.14 : 1,372,755.66 = 316,031.26 : x
  2. Step 2: Convert to fraction form
    915,048.14/1,372,755.66 = 316,031.26/x
  3. Step 3: Cross multiply
    915,048.14x = 1,372,755.66 × 316,031.26
  4. Step 4: Simplify right side
    915,048.14x = 433,833,700,901.93
  5. Step 5: Solve for x
    x = 433,833,700,901.93/915,048.14
  6. Step 6: Final answer
    x = 474,110.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.